Reference : Ratio & Proportion
Q1. If the ratio 48 : 64 is simplified and then divided into two parts in the ratio 2 : 3, what is the smallest part?
10
12
16
8
Q2. A chemist has two solutions of acids. The first solution contains acid in the ratio 2:3 and the second in the ratio 3:5. If 10 liters of the first solution contains 4 liters of acid, how many liters of acid are in 15 liters of the second solution?
8.4
9
6
7.5
Q3. Three partners A, B, and C invest in a business in the ratio 5:4:6. If A's investment is ₹45,000, what is the total investment?
₹165,000
₹135,000
₹180,000
₹150,000
Q4. The ratio of ages of three brothers is 3:4:5. If the difference between the eldest and youngest is 8 years, what is the youngest brother's age?
20
16
24
12
Q5. Two workers can complete a job in 12 and 18 days respectively. What part of the job will they complete together in 4 days?
1/2
7/9
2/3
5/9
Q6. A car travels 240 km in 4 hours. At the same speed, how far will it travel in 6 hours?
400
360
380
320
Q7. In a partnership, A and B share profits in the ratio 2:3. If A receives ₹4000, what is B's share?
₹5500
₹5000
₹4500
₹6000
Q8. A solution contains milk and water in the ratio 5:2. If 7 liters of water are added, the new ratio becomes 5:4. Find the original quantity of milk.
35
25
30
20
Q9. A town's population grows such that after 2 years, the population increases in the ratio 7:8. If initial population was 70,000, what is the population after 2 years?
88,000
84,000
90,000
80,000
Q10. A 60-liter solution contains acid and water in the ratio 2:3. How much pure acid should be added to make the new ratio 1:1?
50
30
40
20
Other References :
AP & GP : Link
Area : Link
Average : Link
Boat & Stream : Link
Compound Interest : Link
Height & Distance : Link
LCM & HCF : Link
Logarithm : Link
Percentage : Link
Profit & Loss : Link
Simple Interest : Link
Speed Distance : Link
Time & Work : Link
Trains Problem : Link
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